Unidentified Drones Found In South Korea [Getty Images]

SAMCHEOK, SOUTH KOREA - APRIL 06: In this handout image provided by the South Korean Defence Ministry, the wreckage of a crashed drone is seen on a mountain on April 6, 2014 in Samcheok, South Korea. Three drones, believed to be North Korean, have been found in South Korea in recent weeks. (Photo by Handout/South Korean Defence Ministry via Getty Images)

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